Provided herein long lasting cosmetic compositions and markers for selecting the same.

Methods in which toughness improvers based on terminally blocked polyurethane prepolymers are used to increase the maximum linear expansion of single component heat-curing epoxy resin compositions, in particular for joining substrates having different thermal expansion coefficients, in particular in the framework of transport agents or white goods.

A graft polyurethane copolymer dispersion can include dispersed polyurethane particles including a graft polyurethane copolymer. The graft polyurethane copolymer in this example includes a polyurethane backbone, a graft side-chain polymer attached to the polyurethane backbone, sulfonic acid groups, and isocyanate-generated amines. The graft side-chain polymer can include a poly(meth)acrylic moieties with C1 to C12 alkyl pendant groups, polyalkylene oxide pendant groups, or a combination thereof.

A silane group-containing polymer obtained from reacting (i) an isocyanate group-containing polymer having an NCO content in the range of 0.3 to 4% by weight and a monomeric diisocyanate content of at most 0.3 wt. % obtained from the reaction of at least one monomeric diisocyanate with at least one polyether polyol in a molar NCO/OH ratio of at least 3/1 and subsequent removal of a major part of the unreacted monomeric diisocyanates by means of a suitable separation process, (ii) with at least one amino-, mercapto- or hydroxysilane in a stoichiometric ratio of at least 1 mole of amino-, mercapto- or hydroxysilane per mole equivalent of isocyanate groups.

One-component heat-activatable polyurethane water-based adhesive composition, which comprises, with respect to the total weight of the adhesive composition: —from 12% to 50%, by weight of dry matter, of an aqueous dispersion of a polyurethane (A) comprising alkoxysilyl pending and/or terminal groups, and —from 0.5% to 5% by weight of a glycidoxy substituted alkoxysilane compound (B) with a glycidoxy functionality of at least 2.

There is provided herein a clear, transparent, low yellow color and non-yellowing moisture-curable silylated polymer composition, which contains an alkoxysilyl-containing polymer, a light stabilizer, a sterically hindered amine, a silicon compound containing a conjugated C═C group, an adhesion promoter and curing catalyst. There is also provide a method of making the moisture-curable composition and a sealant comprising the same.

Provided are a composition capable of forming a cured product with excellent hardness, scratch resistance, chemical resistance, and flexibility; and a polyisocyanate compound that can be used as a curing agent for the composition. The polyisocyanate compound is represented by Formula (1), wherein R.sup.1 to R.sup.3 are identical or different and are a group represented by Formula (1a), wherein L.sup.1 and L.sup.2 are identical or different and represent an alkylene group having from 1 to 10 carbons, m represents a number of 0 or greater, L.sup.3 represents a divalent hydrocarbon group having from 4 to 18 carbons, and X represents an isocyanate group or a blocked isocyanate group blocked with a blocking agent, where m is not simultaneously 0 for R.sup.1 to R.sup.3, and the bond with the wavy line bonds to a nitrogen atom in Formula (1). In addition, the composition contains a polyisocyanate compound and a polyacrylic polyol.

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An object of the present invention is to provide an aqueous coating composition that exhibits a small change in viscosity and can form a coating film having a superior coating film appearance even when the amount of a solvent contained in the aqueous coating composition decreases due to the change of the coating environment. The present invention provides an aqueous coating composition containing a polyurethane resin dispersion (A) and a melamine resin (B), wherein the melamine resin (B) contains a hydrophobic melamine resin, and the polyurethane resin constituting the polyurethane resin dispersion (A) has a viscosity in a range of 101 to 150,000 Pa.Math.s measured at a temperature of 25° C. and a shear rate of 0.1 sec.sup.−1.

A primer composition for optical article, the composition includes (A) an urethane prepolymer that is a reactant between (A1) a polyisocyanate compound having two or more isocyanate groups per molecule and (A2) at least one polyol compound having two or more hydroxyl groups per molecule and being selected from the group consisting of polycarbonate polyols, polyester polyols, and polycaprolactone polyols, and that has two or more isocyanate groups per molecule protected by a blocking agent; (B) an active hydrogen-containing compound having, per molecule, two or more active hydrogen functional groups having an active hydrogen; and (C) an organic solvent not having an active hydrogen.

The present invention relates to a process for producing a solid, internally and externally blocked polyurethane curing agent based on a (cyclo)aliphatic polyisocyanate, in which, in the sequence of steps a) to d), a) i) at least one internally blocked (cyclo)aliphatic polyisocyanate and ii) at least one lactam and/or at least one aliphatic alcohol are dissolved in a solvent to produce a reaction mixture, b) the reaction mixture is heated and reacted, c) the reacted reaction mixture is cooled until product precipitates, and d) liquid solvent and any unreacted dissolved reactants and precipitated product are mechanically separated from one another.